Minor changes to Hybrid\Form\Grid::control() and Hybrid\Table\Grid::column() on detecting $callback as a closure or instance of Lang. This would allow a simple swap to use $callback as the label for both test case.

Signed-off-by: crynobone <crynobone@gmail.com>
Simplify Laravel\Form reference.

Signed-off-by: crynobone <crynobone@gmail.com>